Service Catalog Management component is responsible for organizing the collection of service specifications that identify and define all requirements of a service that can be performed.
Service Catalog Management component has the functionality that enable present a customer-facing view so users are able to search and select services they need, as well as a technical view to enable define and setup what's needed to deliver service specifications (Customer Facing Service Specifications (CFSSs) and Resource Facing Service Specifications (RFSSs)) contained in the service catalog.
Service Catalog Management component has functionalities that include creation of new service specifications, managing service specifications, administering the lifecycle of services, describing relationships between service specification attributes, reporting on service specification and their changes, and facilitating easy and systematic indexing and access to services, as well as facilitate automating the service delivery process.

The SOM is the entry point of Production Domain. It is in charge of Customer-Facing-Service (CFS) delivery on resources (network and service platforms equipment).

The SOM exposes in particular the API" ServiceOrder". It is triggered when the Product Order Orchestration Management component calls this API to request CFS delivery.

To achieve delivery of a CFS, the SOM orchestrates the CFS delivery process which:

Identifies possible RFS and chooses one, using the catalog and technical inventory.
Selects the resources (servers, equipment, etc.) and their instances.
Requests the ROM to update selected resource instances to deliver CFS. Request sent to the ROM contain the CFS and the list of configured resource instances to update.

Service Inventory component is responsible for storage and exposure of CFS (Customer Facing Service) that are associated to Product Inventory items. It is also responsible for RFS (Resource Facing Service) definition, mapping between CFS and RFS and mapping with infrastructure/network resources.

Service Inventory component has functionality that enables inventory items creation, inventory organization, inventory search or filter, inventory monitoring and tracking, inventory control and inventory auditing.

The minimum check to be performed at inventory items creation or update is the global consistency with related Service Catalog information

Service Qualification component is responsible for checking and validating the availability of a service according to specified and configured business rules.

Service Qualification component has functionality that include checking service feasibility status and publishing or reporting service qualification result.

Resource Catalog Management component is responsible for organizing the collection resource specifications that identify and define all requirements for a resource.

Resource Catalog Management component has the functionality that enable presenting a customer-facing view so users are able to browse and select resource they need, as well as a technical view to enable define and setup resources contained in the resource catalog.

Additional functionalities include capturing specifications of new resource specifications, managing resources (registering assets and components and identifying and mapping connections/relationships), administering the lifecycle of resources, describing relationships between resources, reporting on resources and changes to their attributes, and facilitating easy access to identify and assign resources.

Resource Order Management component is responsible for managing fulfillment of resource requests according to resource requirement.

This component addresses all the stages of the Resource Ordering process, with functionalities that include receiving a resource order, confirming a resource order, managing the delivery of a resource order through checks for resource availability, tracking the resource order activities, correlating resource dependencies, etc., handling resource transition (updates to resource orders etc.) and resource order lifecycle state reporting etc.

Resource Inventory component is responsible for accounting for resources (all inputs - including stock, parts, assets, production components etc.) that are owned and/or held for allocation and/or use by the organization.

Resource Inventory component has functionality that includes inventory items creation, inventory organization, inventory search or filter, inventory monitoring and tracking, inventory control (organization, re-stock management etc.) and inventory auditing.

The minimum check to be performed at inventory items creation or update is the global consistency with related Resource Catalog information.

Service Balance Management component is responsible for tracking usage, controlling usage, and facilitating the addition or deduction to balances related to ordered, active or delivered services.

Service Balance Management component has functionality that include storing and maintaining credits, debits and reserve of balance data to support real-time and offline credit control needs.
SrvBlcMgmt component supports monetary and non-monetary balances to be defined for users (or accounts) in any scenario (e.g. sole users, shared users, associated, users, hierarchical users and cross-hierarchical user relationships).

Location Management component is responsible for organizing the collection of production-related location data in a structured information model to identify authorized use of production-related resources (e.g. HLR, VLR, HSS etc.)

Location Management component facilitates holding production-related location information (such as in the domain of Mobile Networks, the International Mobile Subscriber Identity - IMSI, the phone number associated with the subscriber - MSISDN, their account status, and their last known location). 

Address Management component:

Address Management component is responsible for planing, tracking, and managing the definition, addition, registration, assignment, and resolving of an address to a resource. An address may represent a resource (e.g IP, IMEI etc.), a location (place, site, ZIP etc.) or a mailing address (physical or virtual) as well as delivery and legal abode etc.

Address Management facilitate creating, collecting, storing, standardizing, allocating, maintaining authoritative addresses correctly. Address Management must support address creation, collection and allocation in batches, ranges, streams or continuous.

Service Usage Management component is responsible for creating, updating, collecting / retrieving / importing, manipulating, exporting, and securing all accounts of usage of any service.

Service Usage Management component has functionalities that include collection of usage data from all service points, converting service usage data, transforming service usage data, formatting service usage data according to business needs, providing service usage data reports, and sharing / exchanging service usage data with specified components.

Resource Usage Management component is responsible for creating, updating, collecting / retrieving / importing, manipulating, exporting, and securing all accounts of usage of any resource.

Resource Usage Management component has functionalities that include collection of usage data from all resources, converting resource usage data, transforming resource usage data, formatting resource usage data according to business needs, providing resource usage data reports, and sharing / exchanging resource usage data with specified components.

Service Assurance is responsible for the management and execution of proactive and reactive rule based activities to ensure that services provided to customers are continuously available and performing according to set values for performance and quality. In cooperation with monitoring and orchestration functions Service Assurance will create an autonomic closed loop control of the performance and quality as well as mitigation of service problems and fall-outs.

Appointment management provides a standardized mechanism to book an appointment with all the necessary appointment characteristics. It supports searching for free appointment slots based on parameters, as for example a party, then creating the appointment. The appointment has characteristics such as nature of appointment, place of appointment

Supply Chain Management addresses: 

Resource & Service Planning
Resource & Service Information Management
Sourcing Management
Service & Resource Inventory Management
Production Management
Location Management
Transportation Management (part of Logistics Management)
Returns Management
Logistic Management / Stock availability check